Pupil Dependency of Bifocal Contact Lenses

Key Points

• The aim is to analyze the advantages and challenges of different bifocal contact lens designs.
• Comparison of alternating vision and simultaneous vision bifocal lenses
• Assessment of changes in pupil diameter with varying illumination
• Evaluation of effects of task distance on vision performance
• Alternating and simultaneous vision lenses have distinct advantages and drawbacks.
• Pupil diameter changes significantly with different lighting conditions.
• Task distance impacts the effectiveness of bifocal lens designs.